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Search: Posts Made By: SRMman
Showing results 1 to 35 of 39
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Forum: Accidents and Close Calls
9th Mar 2024, 13:43
Replies: 1,950
Views: 935,745
Posted By SRMman

No Door Plug Documents Found, Boeing Says

https://www.reuters.com/business/aerospace-defense/boeing-says-no-documents-found-737-max-9-key-part-removal-2024-03-09/#:~:text=WASHINGTON%2C%20March%208%20(Reuters),a%20letter%20seen%20by%20Reuters.
Forum: Accidents and Close Calls
21st Feb 2024, 16:36
Replies: 1,950
Views: 935,745
Posted By SRMman

Exactly that. In fact, I would pose the question:...

Exactly that. In fact, I would pose the question: “why wouldn’t the springs hold the plug door fully up”?

What would be the advantage of having the door floating (say) half way up the spring...
Forum: Accidents and Close Calls
19th Feb 2024, 17:10
Replies: 1,950
Views: 935,745
Posted By SRMman

I’d made the case back in post #1724 that the...

I’d made the case back in post #1724 that the springs exert a greater force than the door weight, and that the door is consequentially held fully up, with no floating on the springs.
Forum: Accidents and Close Calls
10th Feb 2024, 15:30
Replies: 1,950
Views: 935,745
Posted By SRMman

Maybe so, but it’s interesting, isn’t it!!

Maybe so, but it’s interesting, isn’t it!!
Forum: Accidents and Close Calls
10th Feb 2024, 07:45
Replies: 1,950
Views: 935,745
Posted By SRMman

Mechengr Thank you! As I looked at the...

Mechengr
Thank you! As I looked at the photograph I'd conveniently forgotten the very significant resistive reaction at the only significant point of load application, the end of the roller! As you...
Forum: Accidents and Close Calls
9th Feb 2024, 15:40
Replies: 1,950
Views: 935,745
Posted By SRMman

Anyone else puzzled by the fracture surfaces and...

Anyone else puzzled by the fracture surfaces and mode of failure? As the unrestrained plug door finally moved upwards that last bit to the point where the stop pad fittings were no longer in line...
Forum: Accidents and Close Calls
8th Feb 2024, 18:52
Replies: 1,950
Views: 935,745
Posted By SRMman

Ref #1737, Interesting point. But one assumes for...

Ref #1737, Interesting point. But one assumes for the plug to move outwards the stop pads would have had to move passed and cleared their stop fittings, I’m not sure exactly where the roller pin...
Forum: Accidents and Close Calls
8th Feb 2024, 16:50
Replies: 1,950
Views: 935,745
Posted By SRMman

I agree, Post#1211 & 1671.

I agree, Post#1211 & 1671.
Forum: Accidents and Close Calls
8th Feb 2024, 16:40
Replies: 1,950
Views: 935,745
Posted By SRMman

Yes, I believe the springs do exert a force...

Yes, I believe the springs do exert a force greater than the plug weight. See Post #1671, where I suggested this as a reason:

“With the door held fully up by the springs there is a certainty that...
Forum: Accidents and Close Calls
7th Feb 2024, 13:32
Replies: 1,950
Views: 935,745
Posted By SRMman

Lift Assist Springs

I remain unconvinced that the lift assist springs force is insufficient to raise the door/plug to its fullest amount.

In my earlier post #1211 of an analysis based on Chris Brady's video of the...
Forum: Accidents and Close Calls
5th Feb 2024, 10:31
Replies: 1,950
Views: 935,745
Posted By SRMman

Another problem

The Independent reporting ‘another problem with 737 jets”, misdrilled holes in fuselages.

https://www.independent.co.uk/news/boeing-737-jets-max-9-b2490584.html
Forum: Accidents and Close Calls
27th Jan 2024, 12:14
Replies: 1,950
Views: 935,745
Posted By SRMman

Yes, in my book!

Yes, in my book!
Forum: Accidents and Close Calls
27th Jan 2024, 12:10
Replies: 1,950
Views: 935,745
Posted By SRMman

No, perhaps I should have specifically said...

No, perhaps I should have specifically said finger tight - we all know what that means.
Forum: Accidents and Close Calls
26th Jan 2024, 15:07
Replies: 1,950
Views: 935,745
Posted By SRMman

l’d be surprised if these lock bolts were...

l’d be surprised if these lock bolts were required to be “torqued” at all. For me to torque a bolt (or nut) is to apply a specific clamping load, using a torque spanner to achieve a particular lb.ft...
Forum: Accidents and Close Calls
25th Jan 2024, 08:04
Replies: 1,950
Views: 935,745
Posted By SRMman

Going back to my earlier post 1257, I'd...

Going back to my earlier post 1257, I'd facetiously suggested that Boeing should increase the lift springs rate such that the door guide track fittings MUST be forcibly held down to insert the...
Forum: Accidents and Close Calls
24th Jan 2024, 15:33
Replies: 1,950
Views: 935,745
Posted By SRMman

From Flight Global: Boeing is to pause...

From Flight Global:

Boeing is to pause production and delivery of its 737 Max aircraft on 25 January, as it calls a “quality stand down” amid ongoing quality-control issues.

The airframer...
Forum: Accidents and Close Calls
24th Jan 2024, 15:07
Replies: 1,950
Views: 935,745
Posted By SRMman

And there was that Reuters article 13th Jan, ref...

And there was that Reuters article 13th Jan, ref my #923
Forum: Accidents and Close Calls
24th Jan 2024, 08:58
Replies: 1,950
Views: 935,745
Posted By SRMman

Apologising in advance for thread drift, I don't...

Apologising in advance for thread drift, I don't think the Avro Lancaster had a "life" per se, but its survival rate averaged at 21 operational sorties. I was involved with one of the survivors PA474...
Forum: Accidents and Close Calls
24th Jan 2024, 08:10
Replies: 1,950
Views: 935,745
Posted By SRMman

Rivet Rework

Another snippet from throwawayboeing's post I found astonishing was the bit about the rivets:

“We now return to our incident aircraft, which was written up for having defective rivets on the LH...
Forum: Accidents and Close Calls
24th Jan 2024, 07:59
Replies: 1,950
Views: 935,745
Posted By SRMman

Simple answer to your 3 questions: 1. Very...

Simple answer to your 3 questions:
1. Very alarming
2. Certainly not
3. Absolutely not
Forum: Accidents and Close Calls
23rd Jan 2024, 09:01
Replies: 1,950
Views: 935,745
Posted By SRMman

Yes, I'd wondered that. There was at least one...

Yes, I'd wondered that. There was at least one photo of an untightened hinge guide fitting bolt.
Forum: Accidents and Close Calls
23rd Jan 2024, 08:45
Replies: 1,950
Views: 935,745
Posted By SRMman

Europa01, thanks, you're quite right! I should...

Europa01, thanks, you're quite right! I should have said pulled (inwards); I will amend my original post. But just regarding your last bit about the stop pins and pads, I'm not sure the shape of the...
Forum: Accidents and Close Calls
22nd Jan 2024, 13:44
Replies: 1,950
Views: 935,745
Posted By SRMman

Yes, I wasn’t trying to show how this particular...

Yes, I wasn’t trying to show how this particular incident happened, just the general case of how the door is supposed to close. I agree AS1282 was in the title!
Forum: Accidents and Close Calls
22nd Jan 2024, 10:17
Replies: 1,950
Views: 935,745
Posted By SRMman

Chris Brady 737 Technical Aspects of AS1282 Updated Video

I’ve been looking again at Chris Brady’s 737 Technical Aspects of AS1282 Updated video of 17 Jan 2024.

For me it fully clarifies exactly how the plug door (I will call it a door) is opened and...
Forum: Accidents and Close Calls
20th Jan 2024, 19:09
Replies: 1,950
Views: 935,745
Posted By SRMman

What I found interesting in Homendy’s briefing...

What I found interesting in Homendy’s briefing was this: “the NTSB will move next week onto destructive testing of the door plug, or testing to the exact point of failure”.

One assumes that the...
Forum: Accidents and Close Calls
20th Jan 2024, 07:24
Replies: 1,950
Views: 935,745
Posted By SRMman

Homendy Briefing 18th Jan

"He (Calhoun) called me and said they've made errors in the past, and they want to rectify that," she said. "Great, but my focus is less on the executive team and more on what happened here with this...
Forum: Accidents and Close Calls
19th Jan 2024, 15:36
Replies: 1,950
Views: 935,745
Posted By SRMman

And without wishing to add another factor to the...

And without wishing to add another factor to the calculation, here is one! I don’t know about our North American friends, but in the UK it’s quite common when booking seats to request those with...
Forum: Accidents and Close Calls
16th Jan 2024, 13:08
Replies: 1,950
Views: 935,745
Posted By SRMman

https://theaircurrent.com/industry-strategy/boeing...

https://theaircurrent.com/industry-strategy/boeing-spirit-737-max-9-grounding-fallout/

From the last paragraph:

The precise duration of the Max 9 grounding remains uncertain . . . Yet almost...
Forum: Accidents and Close Calls
14th Jan 2024, 15:45
Replies: 1,950
Views: 935,745
Posted By SRMman

Dominic Gates Article 14th January

Another big Dominic Gates article in the Seattle Times today 14th Jan.

Unfortunately I've reached my limit of free articles but for those with access its entitled "Boeing and U.S. aerospace set...
Forum: Accidents and Close Calls
14th Jan 2024, 07:10
Replies: 1,950
Views: 935,745
Posted By SRMman

BBC Article

A good article in the BBC's Business section summarising the situation.

https://www.bbc.co.uk/news/business-67956244
Forum: Accidents and Close Calls
13th Jan 2024, 19:35
Replies: 1,950
Views: 935,745
Posted By SRMman

Reuters Article

An interesting article from Reuters about Boeing workers involvement with the plug door.


Reuter’s source has told them that, contrary to Boeing standard factory procedures, (Renton) workers...
Forum: Accidents and Close Calls
13th Jan 2024, 09:50
Replies: 1,950
Views: 935,745
Posted By SRMman

Some more from the Seattle Times, including this...

Some more from the Seattle Times, including this about Sen Maria Cantwell. Cantwell had asked to see the last 24 months of notices of FAA quality systems audits related to Boeing and one of its...
Forum: Accidents and Close Calls
12th Jan 2024, 19:43
Replies: 1,950
Views: 935,745
Posted By SRMman

The Aircurrent

https://theaircurrent.com/aviation-safety/undamaged-plug-exit-on-alaska-max-9-had-fasteners-tightened-during-assembly/
Forum: Accidents and Close Calls
11th Jan 2024, 16:57
Replies: 1,950
Views: 935,745
Posted By SRMman

Anyone notice this comment underneath Dominic...

Anyone notice this comment underneath Dominic Gates article in the Seattle Times, ref post 688:

"But there is a line tech, somewhere, that is likely removing these doors after manufacture AND...
Forum: Accidents and Close Calls
10th Jan 2024, 10:45
Replies: 1,950
Views: 935,745
Posted By SRMman

Boeing Culpability

I have been reading this developing story, like so many of us I’m sure, with exquisite details gradually being extracted from the many photos, videos and commentary, laying bare the full magnitude of...
Showing results 1 to 35 of 39
 
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